EP 1528698 B1 20060322 - Raman amplifier with gain control
Title (en)
Raman amplifier with gain control
Title (de)
Ramanverstärker mit Verstärkungsregelung
Title (fr)
Amplificateur Raman avec contrôle de gain
Publication
Application
Priority
EP 03292706 A 20031030
Abstract (en)
[origin: EP1528698A1] A two-stage Roman amplifier provides a gain control compensating for span loss variations and changing channel loading. A first amplifier stage (S1) has a first amplifying medium (F1) and a first pump light source (P1, P2, Pn), which is controlled and adjusted by a control unit (CU) to compensate for span loss variations. A second amplifier stage (S2) has a second amplifying medium (F2) and a second pump light source (P'1, P'2, P'n), which is controlled and adjusted by the control unit (CU) to balance changing channel loading.
IPC 8 full level
H01S 3/13 (2006.01); H01S 3/30 (2006.01); H04B 10/291 (2013.01); H04B 10/296 (2013.01); H01S 3/067 (2006.01); H01S 3/131 (2006.01)
CPC (source: EP US)
H01S 3/13013 (2019.07 - EP US); H01S 3/302 (2013.01 - EP US); H04B 10/2916 (2013.01 - EP US); H04B 10/296 (2013.01 - EP US); H01S 3/06758 (2013.01 - EP US); H01S 3/094096 (2013.01 - EP US); H01S 3/10015 (2013.01 - EP US); H01S 2301/02 (2013.01 - EP US); H01S 2301/04 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1528698 A1 20050504; EP 1528698 B1 20060322; AT E321385 T1 20060415; DE 60304143 D1 20060511; DE 60304143 T2 20060824; US 2005094254 A1 20050505; US 7064887 B2 20060620
DOCDB simple family (application)
EP 03292706 A 20031030; AT 03292706 T 20031030; DE 60304143 T 20031030; US 95288204 A 20040930